#include "stdafx.h"  
#include "stdio.h"  
#include "testlib.h"  
  
void show(){  
    printf("Call the library function.\n");  
    printf("***************************\n");  
}  
double area(int r){  
    return 3.14*r*r;  
}  
  
double seekArea(int r, int h){  
    show();  
    double under = 3.14*r*r;  
    double v = under*h;  
    return v;  
}  